// ==UserScript==
// @name 微软翻译组件
// @description 微软翻译组件  右下角点击翻译
// @include     *
// @exclude     *.jpg
// @exclude     *.png
// @exclude     *.jpeg
// @exclude     *.gif
// @exclude     *.pdf
// @exclude     *115.com/*
// @require     https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.1.3/js.cookie.min.js
// @grant       aogg
// @version 2.3.1
// @namespace https://greasyfork.org/users/25818
// @downloadURL none
// ==/UserScript==


(function (){
  
  var width = '79',
      height = '23';
  var divId = 'MicrosoftTranslatorWidget',
      translatorSwitch = function (){},
      localStorageLocalsKey = divId + 'localStorageLocals',
      localStorageAppCloseKey = divId + 'localStorageClose',
      localStorageAppOneKey = divId + 'localStorageOne';
  if (
    parent !== parent.parent || document.documentElement.clientWidth <= width * 2 || document.documentElement.clientHeight <= height * 2 ||
    (document.body.childElementCount === 1 && document.body.firstElementChild.nodeName === 'SCRIPT') || // 只有一个script就不显示
    localStorage.getItem(localStorageAppCloseKey)
  ){ 
    // 控制层次，避免无限调用，如：http://www.w3school.com.cn/html/html_entities.asp
    // 控制宽高小的不显示
    return;
  }


  // 重置cookie
  console.log('remove cookie mstto');
  Cookies.remove('mstto');

  var locals = ''; // zh-chs
  var source = null;
  var status = false; // 是否执行了main方法

  /**
  var noTranslator = ['wangpan'];
  if (self.frameElement && noTranslator.indexOf(self.frameElement.name) !== -1){
      return;
  }
  */

  var scriptNode = document.createElement('script');
  scriptNode.innerHTML = "setTimeout(function(){{var s=document.createElement('script');s.type='text/javascript';s.charset='UTF-8';s.src=((location && location.href && location.href.indexOf('https') == 0)?'https://ssl.microsofttranslator.com':'http://www.microsofttranslator.com')+'/ajax/v3/WidgetV3.ashx?siteData=ueOIGRSKkd965FeEGM5JtQ**&ctf=False&ui=false&settings=Manual&from=';var p=document.head[0]||document.documentElement;p.insertBefore(s,p.firstChild); }},0);"
  document.body.appendChild(scriptNode);

  var divNode = document.createElement('div'),
      selectNode = null;
      divMenu = null;
  divNode.id = divId;
  divNode.style.color = 'white';
  divNode.style.backgroundColor = '#555555';
  divNode.style.position = 'fixed';
  divNode.style.right = '0';
  divNode.style.bottom = '1px';
  divNode.style.zIndex = '9999999';
  divNode.style.fontSize = '13px';
  divNode.title = '翻译为，或双击隐藏';
  divNode.style.width= width + 'px';
  divNode.ondblclick = function(){ // 双击隐藏
    translatorHide();
  };
  divNode.oncontextmenu = function (event){ // 设置菜单
    event.preventDefault();
    var showArr = {'none':'block', 'block':'none'};
    if (divMenu){
      divMenu.style.display = showArr[divMenu.style.display] ? showArr[divMenu.style.display] : 'none';
    }
  }
  
  divMenu = menu(divNode);
  document.body.appendChild(divNode);


  document.onreadystatechange = main;
  setTimeout(main, 500); // 最少500ms内显示
  
  // 隐藏全部
  var translatorHide = (function(div){
    return function (){
      div.style.display = 'none';
    }
  })(divNode)



  function main(){
    if (status || document.readyState !== 'complete'){
      return;
    }
    status = true;

    // 多语言翻译
    var selectHtml = document.createElement('select'),
        selected = localStorage.getItem(localStorageAppOneKey) || '',
        translateFunc = function (locals, setNodeNot){
          // var option = selectHtml.selectedOptions;
          source = selectHtml.getAttribute('data-source') || null;
          setLocals(locals, setNodeNot);
          translateStart();
        };
    selectHtml.style.backgroundColor = 'rgb(178, 178, 178)';
    selectHtml.ondblclick = function(){ // 双击隐藏
      this.parentNode.style.display = 'none';
    };
    selectHtml.style.margin = 0;
    selectHtml.style.padding = 0;
    selectHtml.style.fontSize = '13.3px';
    selectHtml.style.width= width + 'px';
    selectHtml.style.height= height + 'px';
    selectHtml.onclick = function (event){ // 一键翻译
      var selected = localStorage.getItem(localStorageAppOneKey); // 每次重新获取
      if (selected){
        event.preventDefault();
        translateFunc(selected)
      }
    };
    // Microsoft.Translator.Widget.GetLanguagesForTranslateLocalized()获取所有支持的翻译选项
    selectHtml.innerHTML = "\
      <option id='MicrosoftTranslatorWidget-option-select' value=''>翻译为</option>\
      <option value='zh-chs'>简体中文</option>\
      <option value='zh-cht'>繁体中文</option>\
      <option value='yue'>粤语</option>\
      <option value='ja'>日文</option>\
      <option id='MicrosoftTranslatorWidget-option-en' value='en'>英文</option>\
  ";
    
    if (selected){ // 修改默认值
      for (var i in selectHtml.options){
        if (selectHtml.options[i] && selectHtml.options[i].value == selected){
          selectHtml.options[i].selected = true;
        }
      }
      // selectHtml.value = selected; 此方法无效
    }
    
    selectHtml.onchange = function (){
      translateFunc(this.value, true);
    };
    
    
    var parentDiv = document.body.children.namedItem(divId);
    // parentDiv.style.display = 'block';
    parentDiv.appendChild(selectHtml);
    selectNode = selectHtml; // 放置到外部变量

    translateStart();

  }


  function translateStart(){
    if (status && locals && Microsoft){
      // null, 'es', onProgress, onError, onComplete, onRestoreOriginal, 2000
      Microsoft.Translator.Widget.Translate(source, locals, null, null, onComplete);
    }
  }

  function onComplete(){
    var option = selectNode.options;
    option.namedItem('MicrosoftTranslatorWidget-option-en').innerText = '英文';
    option.namedItem('MicrosoftTranslatorWidget-option-select').innerText = '翻译为';

  }


  function addGlobalStyle(css) {
      var head, style;
      head = document.getElementsByTagName('head')[0];
      if (!head) { return; }
      style = document.createElement('style');
      style.type = 'text/css';
      style.innerHTML = css;
      head.appendChild(style);
  }


  console.log('完成');
  
  // 右击层
  function menu(parentDiv){
    var div = document.createElement('div');
    div.id= divId + "-menu";
    div.style.display = 'none';
    div.oncontextmenu = function (event){
      event.preventDefault();
      this.style.display = 'none';
    }
    
    // 当前网站永久隐藏
    var divHide = document.createElement('div');
    divHide.innerText = '当前网站隐藏';
    divHide.height = '20px';
    divHide.onclick = function (){
      if(window.confirm('确定要当前网站隐藏？')){
        localStorage.setItem(localStorageAppCloseKey, 1);
        translatorHide();
      }
    }
    div.appendChild(divHide);
    // 切换为一键翻译样式
    var divOne = document.createElement('div'),
        oneTitleFunc = function (){
          return (localStorage.getItem(localStorageAppOneKey)?'取消':'') + '一键翻译'
        };
    divOne.innerText = oneTitleFunc();
    divOne.height = '20px';
    divOne.onclick = function (){
      var localValue = localStorage.getItem(localStorageAppOneKey),
          val = localValue ? '' : (locals || 'zh-chs');
      localStorage.setItem(localStorageAppOneKey, val);
      divOne.innerText = oneTitleFunc();
    }
    div.appendChild(divOne);
    
    
    parentDiv.appendChild(div);